unperceiving
un·per·cei·ving
adjective
1.
lacking perception
- “as unperceptive as a boulder”
Origin
From un- + perceiving.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.